Congrats on getting the stamps.
I went ahead and bought the pure 350 silicone oil to do mine with. I haven't gotten around to treating mine yet. I've tried to clean the Spectre II by hand before and it's not a fun process. Better in the tumbler.
It is far more important to be able to hit the target than it is to haggle over who makes a weapon or who pulls a trigger.
— Dwight D. Eisenhower